Initial commit: hardened DeerFlow factory

Vendored deer-flow upstream (bytedance/deer-flow) plus prompt-injection
hardening:

- New deerflow.security package: content_delimiter, html_cleaner,
  sanitizer (8 layers — invisible chars, control chars, symbols, NFC,
  PUA, tag chars, horizontal whitespace collapse with newline/tab
  preservation, length cap)
- New deerflow.community.searx package: web_search, web_fetch,
  image_search backed by a private SearX instance, every external
  string sanitized and wrapped in <<<EXTERNAL_UNTRUSTED_CONTENT>>>
  delimiters
- All native community web providers (ddg_search, tavily, exa,
  firecrawl, jina_ai, infoquest, image_search) replaced with hard-fail
  stubs that raise NativeWebToolDisabledError at import time, so a
  misconfigured tool.use path fails loud rather than silently falling
  back to unsanitized output
- Native client back-doors (jina_client.py, infoquest_client.py)
  stubbed too
- Native-tool tests quarantined under tests/_disabled_native/
  (collect_ignore_glob via local conftest.py)
- Sanitizer Layer 7 fix: only collapse horizontal whitespace, preserve
  newlines and tabs so list/table structure survives
- Hardened runtime config.yaml references only the searx-backed tools
- Factory overlay (backend/) kept in sync with deer-flow tree as a
  reference / source

See HARDENING.md for the full audit trail and verification steps.
This commit is contained in:
2026-04-12 14:23:57 +02:00
commit 6de0bf9f5b
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# generate_area_chart — 面积图
## 功能概述
展示连续自变量(常为时间)下的数值趋势,可启用堆叠观察不同分组的累计贡献,适合 KPI、能源、产出等时间序列场景。
## 输入字段
### 必填
- `data`: 数组,元素包含 `time`string`value`number堆叠时需补充 `group`string至少 1 条记录。
### 可选
- `stack`: boolean默认 `false`,开启堆叠需确保每条数据都含 `group` 字段。
- `style.backgroundColor`: string设置图表背景色`#fff`)。
- `style.lineWidth`: number自定义面积边界的线宽。
- `style.palette`: string[],传入调色板数组用于系列着色。
- `style.texture`: string默认 `default`,可选 `default`/`rough` 以控制手绘质感。
- `theme`: string默认 `default`,可选 `default`/`academy`/`dark`
- `width`: number默认 `600`,控制图表宽度。
- `height`: number默认 `400`,控制图表高度。
- `title`: string默认空字符串用于设置图表标题。
- `axisXTitle`: string默认空字符串用于设置 X 轴标题。
- `axisYTitle`: string默认空字符串用于设置 Y 轴标题。
## 使用建议
保证 `time` 字段格式统一(如 `YYYY-MM`);堆叠模式下各组数据需覆盖相同的时间点,可先做缺失补值。
## 返回结果
- 返回图像 URL并在 `_meta.spec` 中附带完整面积图配置,可供二次渲染或追踪。